﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace IngredSubTool
{
    /// <summary>
    /// Interaction logic for MySubstitutionView.xaml
    /// </summary>
    public partial class MySubstitutionView : UserControl, IAppPage
    {
        public MySubstitutionView()
        {
            InitializeComponent();
            Menu.Content = new SideMenu();
            MySubGrid.ItemsSource = MainWindow.session.privateSubs;
        }
        
        private void RatiosBtn_Click(object sender, RoutedEventArgs e)
        {
            Substitution subtemp = (Substitution)MySubGrid.CurrentItem;
            MainWindow.session.selectedSub = subtemp;
            PageSwitcher.SwitchForward(new ConversionCalcView());
        }

     
             private void Back(object sender, RoutedEventArgs e)
        {          
            PageSwitcher.SwitchBack();
        }

             private void CommentSend_Click(object sender, RoutedEventArgs e)
             {
                 //Get parent substitution for this comment by climbing the visual tree.
                 Button btn = sender as Button;
                 var parent = VisualTreeHelper.GetParent(btn);
                 while (parent != null && parent.GetType() != typeof(DataGridRow))
                 {
                     parent = VisualTreeHelper.GetParent(parent);
                 }
                 DataGridRow row = parent as DataGridRow;
                 Substitution sub = row.Item as Substitution;

                 //Get entered info.
                 StackPanel stack = VisualTreeHelper.GetParent(btn) as StackPanel;
                 TextBox userElem = stack.FindName("Username") as TextBox;
                 TextBox commElem = stack.FindName("Comment") as TextBox;
                 ComboBox ratiElem = stack.FindName("Rating") as ComboBox;

                 String username = userElem.Text;
                 String comment = commElem.Text;
                 int rating = ratiElem.SelectedIndex;

                 userElem.Text = "";
                 commElem.Text = "";
                 ratiElem.SelectedIndex = 0;

                 //Create comment.
                 Comment newComment = new Comment(sub.Original, sub.Replacement, username, comment, rating, DateTime.Now);

                 //Add comment to substitution.
                 sub.Comments.Add(newComment);
                 sub.UpdateAverage();

                 btn.Foreground = Brushes.Red;
                 btn.Content = "Comment Sent";

                 //Ensure scrollpanel is at bottom.
                 parent = VisualTreeHelper.GetParent(btn);
                 while (parent != null && parent.GetType() != typeof(ScrollViewer))
                 {
                     parent = VisualTreeHelper.GetParent(parent);
                 }
                 ScrollViewer scroll = parent as ScrollViewer;
                 scroll.ScrollToEnd();
             }

             private void Button_LostFocus(object sender, RoutedEventArgs e)
             {
                 Button btn = sender as Button;
                 btn.Foreground = Brushes.Black;
                 btn.Content = "Send Comment";
             }
      
    }
}
